316648880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127681}}^1$

素因数の和:127725

約数の個数: 40

約数和(自身を含む): 759963264

約数和(自身を除く): 443314384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 127681, 255362, 510724, 638405, 1021448, 1276810, 2042896, 2553620, 3958111, 5107240, 7916222, 10214480, 15832444, 19790555, 31664888, 39581110, 63329776, 79162220, 158324440, 316648880]

約数ペア:

[(1, 316648880), (2, 158324440), (4, 79162220), (5, 63329776), (8, 39581110), (10, 31664888), (16, 19790555), (20, 15832444), (31, 10214480), (40, 7916222), (62, 5107240), (80, 3958111), (124, 2553620), (155, 2042896), (248, 1276810), (310, 1021448), (496, 638405), (620, 510724), (1240, 255362), (2480, 127681)]